Kim Yunkyoung The purpose of this study is to consider the pragmatic meaning through analyzing the humor mechanism and discourse structure of Ajae Gag(AG). As a result, the young regard AG as a kind of humor with playfulness and communication. The humor mechanism of AG can be looked at 4 sides: Expression, Reaction, Situation, and Power. The discourse structures of AG are [Producing-Reproducing] and [Producing-Imitating]. Like this, AG is a discourse of the integrity to communicate between generations, or classes beyond power. Especially it has a pragmatical meaning that can be an educational changes of the creation based on sociocultural contexts.